52 lines
1.4 KiB
Java
52 lines
1.4 KiB
Java
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2015 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.util;
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import android.app.Activity;
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import java.util.HashSet;
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/**
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* Created by mariotaku on 15/10/5.
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*/
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public class ActivityStack {
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private final HashSet<Integer> mInternalStack = new HashSet<>();
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public void dispatchStart(Activity activity) {
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mInternalStack.add(System.identityHashCode(activity));
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}
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public void dispatchStop(Activity activity) {
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mInternalStack.remove(System.identityHashCode(activity));
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}
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public int size() {
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return mInternalStack.size();
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}
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public boolean isEmpty() {
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return mInternalStack.isEmpty();
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}
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}
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